Konica Minolta bizhub C650 Service Manual page 383

8. Utility Mode
<Vertical Adjustment>
• It will be displayed only when the following setting is set to "Level 2."
[Service Mode] → [Enhanced Security] → [Administrator Feature Level]
Functions • To synchronize the paper transport speed with the image writing speed.
Use • The l adjustment becomes necessary.
• The printed image on the copy distorts (stretched, shrunk).
• When the printed image on the copy is stretched in the sub scan direction.
• Able to make an individual adjustment for each paper type of plain paper, thick 1/1+,
thick 2, thick 3 and thick 4.
Adjustment
Specification
A
Adjustment If width A or B is longer than the specifications, make the setting value smaller than the
Instructions current one.
If width A or B is shorter than the specifications, make the setting value greater than the
current one.
Adjustment 1. Load manual bypass tray with A3 or 11 × 17 plain paper.
Procedure 2. Call the Administrator Settings to the screen.
3. Touch these keys in this order: [System Settings] → [Expert Adjustment] → [Vertical
Adjustment].
4. Press the Start key to let the machine produce a test pattern.
5. Check width A (equivalent to one grid) and width B (equivalent to 48 grids) on the
test pattern.
6. If width of A or B falls outside the specified range, change the setting using the [+]/[-]
keys.
7. Press the Start key to let the machine produce a test pattern again.
8. Check width A and width B on the test pattern.
9. If width A or B falls outside the specified range, change the setting value and make a
check again.
10.If width A or B falls within the specified range, touch [OK].
11.Following the same procedure, adjust for [Thick 1 to 3], [OHP], and [Envelope].
(Check width A only for [OHP] and [Envelope].)
330
Field Service Ver. 8.0 Jun. 2008
Width A and width B on the test pattern pro-
duced should fall within the following ranges.
Width A: equivalent to one grid
Width B: equivalent to 48 grids
B
Specifications
A: 7.9 to 8.3
B: 389.1 to 392.1
Setting Range
A, B: -7 to +7
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